1 files changed, 11 insertions, 10 deletions

diff --git a/web/react/utils/utils.jsx b/web/react/utils/utils.jsx
index 0c08c2df6..d6ed34e70 100644
--- a/web/react/utils/utils.jsx
+++ b/web/react/utils/utils.jsx
@@ -607,7 +607,7 @@ export function applyTheme(theme) {
         changeCss('.popover.right>.arrow:after, .tip-overlay.tip-overlay--sidebar .arrow, .tip-overlay.tip-overlay--header .arrow', 'border-right-color:' + theme.centerChannelBg, 1);
         changeCss('.popover.left>.arrow:after', 'border-left-color:' + theme.centerChannelBg, 1);
         changeCss('.popover.top>.arrow:after, .tip-overlay.tip-overlay--chat .arrow', 'border-top-color:' + theme.centerChannelBg, 1);
-        changeCss('.search-bar__container .search__form .search-bar, .form-control', 'background:' + theme.centerChannelBg, 1);
+        changeCss('@media(min-width: 960px){.search-bar__container .search__form .search-bar, .form-control', 'background:' + theme.centerChannelBg, 1);
         changeCss('.attachment__content', 'background:' + theme.centerChannelBg, 1);
     }
 
@@ -638,8 +638,7 @@ export function applyTheme(theme) {
         changeCss('.post-image__column', 'border-color:' + changeOpacity(theme.centerChannelColor, 0.2), 2);
         changeCss('.post-image__column .post-image__details', 'color:' + theme.centerChannelColor, 2);
         changeCss('.post-image__column a, .post-image__column a:hover, .post-image__column a:focus', 'color:' + theme.centerChannelColor, 1);
-        changeCss('.search-bar__container .search__form .search-bar, .form-control', 'color:' + theme.centerChannelColor, 2);
-        changeCss('@media(max-width: 960px){.search-bar__container .search__form .search-bar', 'background:' + changeOpacity(theme.centerChannelColor, 0.2) + '; color: inherit;', 1);
+        changeCss('@media(min-width: 960px){.search-bar__container .search__form .search-bar, .form-control', 'color:' + theme.centerChannelColor, 2);
         changeCss('.input-group-addon, .search-bar__container .search__form, .form-control', 'border-color:' + changeOpacity(theme.centerChannelColor, 0.2), 1);
         changeCss('.form-control:focus', 'border-color:' + changeOpacity(theme.centerChannelColor, 0.3), 1);
         changeCss('.attachment .attachment__content', 'border-color:' + changeOpacity(theme.centerChannelColor, 0.3), 1);
@@ -981,13 +980,15 @@ export function displayUsername(userId) {
     const nameFormat = PreferenceStore.getPreference(Constants.Preferences.CATEGORY_DISPLAY_SETTINGS, 'name_format', {value: 'false'}).value;
 
     let username = '';
-    if (nameFormat === 'nickname_full_name') {
-        username = user.nickname || getFullName(user);
-    } else if (nameFormat === 'full_name') {
-        username = getFullName(user);
-    }
-    if (!username.trim().length) {
-        username = user.username;
+    if (user) {
+        if (nameFormat === 'nickname_full_name') {
+            username = user.nickname || getFullName(user);
+        } else if (nameFormat === 'full_name') {
+            username = getFullName(user);
+        }
+        if (!username.trim().length) {
+            username = user.username;
+        }
     }
 
     return username;